March 2003
Intermediate to advanced
282 pages
9h 13m
English
book
IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
by Jouko Jantti, Juan Jesœs Iniesta Mart’nez, Knut Kubein, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
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56 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
Released
These locks are held only during the operation that requires the lock. For example, a lock
for open processing is released when the open completes. Similarly, a lock for an insert is
released when the insert completes.
Requestor
The requestor is the program that issues a DL/I call invoking the operation.
Resource
The resource locked identifies the database data set. This resource has the global DMB
number to identify the database and the DCB number to identify the data set in the
database. There is also an identification that this is a busy lock.
Private a ...
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